6 Dave Coulier with the Olsen twins in “Full House.” ©ABC/Courtesy Everett Collection “The three of us were in there just laughing and being kids,” Coulier added. “It was wonderful.” ...

Mary-Kate Olsen and Ashley Fuller Olsen, also known as the Olsen twins as a duo, are American fashion designers and former actresses. The twins made their acting debut as infants playing Michelle ...

Mary-Kate and Ashley Olsen had famous babysitters while on set of Full House. Fellow twins, Tia and Tamera Mowry, watched them while the other acted.